linux-kernel - [PATCH 08/15] arm64: dts: qcom: sm8250: Add default GIC address cells

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Message-Id: <20250822-dts-interrupt-address-cells-v1-8-d54d44b74460@linaro.org>
Date: Fri, 22 Aug 2025 14:04:08 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, cros-qcom-dts-watchers@...omium.org
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 08/15] arm64: dts: qcom: sm8250: Add default GIC address
 cells

Add missing address-cells 0 to GIC interrupt node to silence W=1
warning:

  sm8250.dtsi:2166.4-2169.30: Warning (interrupt_map): /soc@...cie@...0000:interrupt-map:
    Missing property '#address-cells' in node /soc@...nterrupt-controller@...00000, using 0 as fallback

Value '0' is correct because:
1. GIC interrupt controller does not have children,
2. interrupt-map property (in PCI node) consists of five components and
   the fourth component "parent unit address", which size is defined by
   '#address-cells' of the node pointed to by the interrupt-parent
   component, is not used (=0).

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 arch/arm64/boot/dts/qcom/sm8250.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi
index 244339cfbed5c32708c282de18f5655535e2ff45..8e0eb802d68e9670a10cd6e227bd1eccbd872866 100644
--- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
@@ -6084,6 +6084,7 @@ compute-cb@5 {
 
 		intc: interrupt-controller@...00000 {
 			compatible = "arm,gic-v3";
+			#address-cells = <0>;
 			#interrupt-cells = <3>;
 			interrupt-controller;
 			reg = <0x0 0x17a00000 0x0 0x10000>,     /* GICD */

-- 
2.48.1